Home / 35,051.05-52,484.31-20,977.71

Finding the Fourth Proportional to 35,051.05, 52,484.31 and 20,977.71

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Solution

The fourth proportional to 35,051.05, 52,484.31 and 20,977.71 is: 31,411.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,051.05 : 52,484.31 = 20,977.71 : x
  2. Step 2: Convert to fraction form
    35,051.05/52,484.31 = 20,977.71/x
  3. Step 3: Cross multiply
    35,051.05x = 52,484.31 × 20,977.71
  4. Step 4: Simplify right side
    35,051.05x = 1,101,000,437.91
  5. Step 5: Solve for x
    x = 1,101,000,437.91/35,051.05
  6. Step 6: Final answer
    x = 31,411.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.